<template>
	<view class="nav">
		<view :style="'height:'+status+'rpx;'+containerStyle"></view>
		<view v-if="ishome" class="headNav"
			:style="'height:'+navHeight+'rpx;line-height:' + navHeight + 'rpx;padding-left:20rpx;'">
			<text class="city">中部地区</text>
			<view style="flex: 1">
				<navigator url="../../pages/search/search" :style="
				'height:'+
				menu.height*2+
				'rpx;line-height:'+
				menu.height*2+
				'rpx;margin-top:' +
				(menu.top*2-status)+
				'rpx;margin-left:32rpx;margin-right:'+
				(menu.width*2+24)+
				'rpx;background:#f4f4f4;border-radius:200rpx;text-align:center'
				">
					<text class="search-text">找医院</text>
				</navigator>
			</view>
		</view>
		<view v-else class="navbar" :style="'height:'+navHeight+'rpx;'+containerStyle">
			<view class="back-icon" @click="backHome">
				<image v-if="pages > 1" src="../../static/navbar/ic_back.png"></image>
				<image v-else src="../../static/navbar/ic_home.png"></image>
			</view>
			<view class="nav-title" v-if="titleText">
				<view :style="'height:'+navHeight+'rpx;line-height:'+navHeight+'rpx;'+textStyle">{{titleText}}</view>
			</view>
		</view>
	</view>
</template>

<script setup>
	import {
		ref,
		reactive,
		onBeforeMount,
		defineProps
	} from 'vue'
	const props = defineProps({
		background: {
			type: String,
			default: 'rgba(255,255,255,1)'
		},
		color: {
			type: String,
			default: 'rgba(0,0,0,1)'
		},
		fontSize: {
			type: String,
			default: '32'
		},
		iconWidth: {
			type: String,
			default: '116'
		},
		iconHeight: {
			type: String,
			default: '38'
		},
		titleText: {
			type: String,
			default: ''
		},
		ishome: {
			type: Boolean,
			default: false
		}
	})
	onBeforeMount(() => {
		setNavSize()
		setStyle()
	})
	const status = ref(0)
	const navHeight = ref(0)
	const containerStyle = ref('')
	const textStyle = ref('')
	const iconStyle = ref('')
	const pages = ref(getCurrentPages().length)
	const menu = reactive(uni.getMenuButtonBoundingClientRect())
	const setNavSize = () => {
		const {
			system,
			statusBarHeight
		} = uni.getSystemInfoSync()
		status.value = statusBarHeight * 2
		const isios = system.indexOf('ios') > -1
		if (!isios) {
			navHeight.value = 96
		} else {
			navHeight.value = 88
		}
		// console.log(res);
	}
	const setStyle = () => {
		containerStyle.value = ['background:' + props.background].join(';')
		textStyle.value = ['color:' + props.color, 'font-size' + props.fontSize + 'rpx'].join(';')
		iconStyle.value = ['width:' + props.iconWidth + 'rpx', 'height:' + props.iconHeight + 'rpx'].join(';')
	}
	const backHome = () => {
		if (pages.value > 1) {
			uni.navigateBack()
		} else {
			uni.switchTab({
				url: '/pages/index/index'
			})
		}
	}
</script>

<style>
	.nav {
		position: fixed;
		width: 100%;
		top: 0;
		left: 0;
		z-index: 2;
	}

	.back-icon {
		display: flex;
		align-items: center;
		width: 64rpx;
		height: 100%;
		margin-left: 20rpx;
	}

	.back-icon image {
		width: 64rpx;
		height: 64rpx;
	}

	.navbar {
		position: relative;
	}

	.nav-title {
		position: absolute;
		top: 0;
		left: 50%;
		transform: translate(-50%);
	}

	.headNav {
		display: flex;
	}

	.city {
		display: inline-block;
		position: relative;
		font-size: 30rpx;
		font-weight: bold;
		padding-left: 55rpx;
		background: url() no-repeat left center;
		background-size: 40rpx;
	}

	.city:after {
		content: ' ';
		display: inline-block;
		height: 6px;
		width: 6px;
		border-width: 1px 1px 0 0;
		border-color: #353535;
		border-style: solid;
		-webkit-transform: matrix(0.71, 0.71, -0.71, 0.71, 0, 0);
		transform: matrix(0.71, 0.71, -0.71, 0.71, 0, 0);
		position: relative;
		top: -2px;
		position: absolute;
		top: 50%;
		margin-top: -4px;
		right: -10px;
	}

	.search-text {
		display: inline-block;
		padding-left: 30rpx;
		color: #bbbbbb;
		font-size: 26rpx;
		background: url() no-repeat left center;
		background-size: 23rpx;
	}
</style>